1; RUN: opt -module-summary %s -o %t1.bc 2; RUN: opt -module-summary %p/Inputs/internalize.ll -o %t2.bc 3; Link in %t2.bc first to force its copy of @weak_func_nonprevailing as 4; prevailing the %t1.bc copy as non-prevailing. 5; RUN: llvm-lto -thinlto-action=thinlink -o %t.index.bc %t2.bc %t1.bc 6; RUN: llvm-lto -thinlto-action=internalize -thinlto-index %t.index.bc %t1.bc -o - | llvm-dis -o - | FileCheck %s --check-prefix=REGULAR 7; RUN: llvm-lto -thinlto-action=internalize -thinlto-index %t.index.bc %t1.bc -o - --exported-symbol=_foo | llvm-dis -o - | FileCheck %s --check-prefix=INTERNALIZE 8 9; Test the enable-lto-internalization option by setting it to false. 10; This makes sure indices are not marked as internallinkage and therefore 11; internalization does not happen. 12; RUN: llvm-lto -thinlto-action=internalize -thinlto-index %t.index.bc %t1.bc \ 13; RUN: -enable-lto-internalization=false --exported-symbol=_foo 14; RUN: llvm-dis < %t1.bc.thinlto.internalized.bc | FileCheck %s --check-prefix=INTERNALIZE-OPTION-DISABLE 15 16; RUN: llvm-lto2 run %t1.bc -o %t.o -save-temps \ 17; RUN: -r=%t1.bc,_foo,pxl \ 18; RUN: -r=%t1.bc,_bar,pl \ 19; RUN: -r=%t1.bc,_linkonce_func,pl \ 20; RUN: -r=%t1.bc,_weak_func_prevailing,pl \ 21; RUN: -r=%t1.bc,_alias1,plx \ 22; RUN: -r=%t1.bc,_weak_func_nonprevailing,l 23; RUN: llvm-dis < %t.o.1.2.internalize.bc | FileCheck %s --check-prefix=INTERNALIZE2 24 25; Test the enable-lto-internalization option by setting it to false. 26; This makes sure indices are not marked as internallinkage and therefore 27; internalization does not happen. 28; RUN: llvm-lto2 run %t1.bc -o %t.o -save-temps -enable-lto-internalization=false \ 29; RUN: -r=%t1.bc,_foo,pxl \ 30; RUN: -r=%t1.bc,_bar,pl \ 31; RUN: -r=%t1.bc,_linkonce_func,pl \ 32; RUN: -r=%t1.bc,_weak_func_prevailing,pl \ 33; RUN: -r=%t1.bc,_alias1,plx \ 34; RUN: -r=%t1.bc,_weak_func_nonprevailing,l 35; RUN: llvm-dis < %t.o.1.2.internalize.bc | FileCheck %s --check-prefix=INTERNALIZE2-OPTION-DISABLE 36 37; REGULAR: define void @foo 38; REGULAR: define void @bar 39; REGULAR: define linkonce void @linkonce_func() 40; INTERNALIZE: define void @foo 41; INTERNALIZE: define internal void @bar 42; INTERNALIZE: define internal void @linkonce_func() 43; INTERNALIZE: define internal void @weak_func_prevailing() 44; INTERNALIZE: define weak void @weak_func_nonprevailing() 45; INTERNALIZE-OPTION-DISABLE: define void @foo 46; INTERNALIZE-OPTION-DISABLE: define void @bar 47; INTERNALIZE-OPTION-DISABLE: define weak void @linkonce_func() 48; INTERNALIZE-OPTION-DISABLE: define weak void @weak_func_prevailing() 49; INTERNALIZE-OPTION-DISABLE: define weak void @weak_func_nonprevailing() 50; INTERNALIZE2: define dso_local void @foo 51; INTERNALIZE2: define internal void @bar 52; INTERNALIZE2: define internal void @linkonce_func() 53; INTERNALIZE2: define internal void @weak_func_prevailing() 54; INTERNALIZE2: define weak dso_local void @weak_func_nonprevailing() 55; INTERNALIZE2-OPTION-DISABLE: define dso_local void @foo 56; INTERNALIZE2-OPTION-DISABLE: define dso_local void @bar 57; INTERNALIZE2-OPTION-DISABLE: define weak dso_local void @linkonce_func() 58; INTERNALIZE2-OPTION-DISABLE: define weak dso_local void @weak_func_prevailing() 59; INTERNALIZE2-OPTION-DISABLE: define weak dso_local void @weak_func_nonprevailing() 60 61target datalayout = "e-m:o-p270:32:32-p271:32:32-p272:64:64-i64:64-f80:128-n8:16:32:64-S128" 62target triple = "x86_64-apple-macosx10.11.0" 63 64define void @foo() { 65 call void @bar() 66 ret void 67} 68define void @bar() { 69 call void @linkonce_func() 70 call void @weak_func_prevailing() 71 call void @weak_func_nonprevailing() 72 ret void 73} 74define linkonce void @linkonce_func() { 75 ret void 76} 77define weak void @weak_func_prevailing() { 78 ret void 79} 80; Make @weak_func_nonprevailing an aliasee to ensure it is still marked 81; live and kept as a definition even when non-prevailing. We want to ensure 82; this definition is not internalized. 83@alias1 = hidden alias void (), void ()* @weak_func_nonprevailing 84define weak void @weak_func_nonprevailing() { 85 ret void 86} 87